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About the Cover

12 April 2017; volume 284, issue 1852

Cover image

Cover image
A male Anna's hummingbird in Vancouver, British Columbia. Copyright: Michelle Lamberson. See the paper ‘Winter range expansion of a hummingbird is associated with urbanization and supplementary feeding’ by Emma I. Greig, Eric M. Wood and David N. Bonter, published in Proceedings B (http://dx.doi.org/10.1098/rspb.2017.0256).